'use strict';

const Controller = require('egg').Controller;
const {ObjectId}=require("mongodb");
class SubjectController extends Controller {
  async index() {
    const {ctx} =this;
    var {id} =ctx.params;
   try{
    var db=this.app.mongodb;
    var res =await db.collection("article").find({_id:ObjectId(id)}).toArray();
    console.log(res)
    ctx.body={
        status:200,
        res
    }
   }catch(err){
       this.app.logger.error(err)
    ctx.status=400;
    ctx.body={
        status:400,
        msg:"输入的id值参数不合法"
    }
   }
  }
}

module.exports = SubjectController;
